social security, set aside, doesn't add to the deficit. when it comes to medicare and medicaid, protect the integrity of the program, but give it solvency for more and more years. >> reporter: a source with engine of knowledge -- with knowledge of the negotiation says there is no date set in stone for the next meeting among the principle negotiate othe timing will depend on the progress of staff member, in the next few days. but we should not be surprised if they get together, sthiem week. shannon. >> shannon: we wish them much luck. thank you. our worst-case scenario, there isn't a deal. the former economics director it'll peter tracy, tells what did you say to expect if that happens and what will happen if it doesn't. let's talk positive, first. who do you think, if something comes together, will be the key players. >> we need to see president obama move off the position of entitlements and propose real reductions, tangible, real, so there is something to balance with the rather substantial tax proposals. >> shannon: who do you think in